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Title: A combined muon-neutrino and electron-neutrino oscillation search at MiniBooNE

Abstract

MiniBooNE seeks to corroborate or refute the unconfirmed oscillation result from the LSND experiment. If correct, the result implies that a new kind of massive neutrino, with no weak interactions, participates in neutrino oscillations. MiniBooNE searches for v μ → v e oscillations with the Fermi National Accelerator Laboratory 8 GeV beam line, which produces a v μ beam with an average energy of ~ 0.8 GeV and an intrinsic v e content of 0.4%. The neutrino detector is a 6.1 m radius sphere filled with CH 2, viewed by 1540 photo-multiplier tubes, and located 541 m downstream from the source. This work focuses on the estimation of systematic errors associated with the neutrino flux and neutrino interaction cross section predictions, and in particular, on constraining these uncertainties using in-situ MiniBooNE v μ charged current quasielastic (CCQE) scattering data. A data set with ~ 100,000 events is identified, with 91% CCQE purity. This data set is used to measure several parameters of the CCQE cross section: the axial mass, the Fermi momentum, the binding energy, and the functional dependence of the axial form factor on four-momentum transfer squared. Constraints on the v μ and v e fluxes are derived usingmore » the v μ CCQE data set. A Monte Carlo study of a combined v μ disappearance and v e appearance oscillation fit is presented, which improves the v μ → v e oscillation sensitivity of MiniBooNE with respect to a v e appearance-only fit by 1.2-1.5σ, depending on the value of Δm 2.« less

Authors:
 [1]
  1. Columbia Univ., New York, NY (United States)
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
899985
Report Number(s):
FERMILAB-THESIS-2006-44
TRN: US200711%%88
DOE Contract Number:  
AC02-07CH11359
Resource Type:
Thesis/Dissertation
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; BINDING ENERGY; CHARGED CURRENTS; CROSS SECTIONS; FERMILAB ACCELERATOR; FORM FACTORS; FUNCTIONALS; NEUTRINO OSCILLATION; NEUTRINOS; OSCILLATIONS; SCATTERING; SENSITIVITY; WEAK INTERACTIONS; Experiment-HEP

Citation Formats

Monroe, Jocelyn Rebecca. A combined muon-neutrino and electron-neutrino oscillation search at MiniBooNE. United States: N. p., 2006. Web. doi:10.2172/899985.
Monroe, Jocelyn Rebecca. A combined muon-neutrino and electron-neutrino oscillation search at MiniBooNE. United States. doi:10.2172/899985.
Monroe, Jocelyn Rebecca. Sun . "A combined muon-neutrino and electron-neutrino oscillation search at MiniBooNE". United States. doi:10.2172/899985. https://www.osti.gov/servlets/purl/899985.
@article{osti_899985,
title = {A combined muon-neutrino and electron-neutrino oscillation search at MiniBooNE},
author = {Monroe, Jocelyn Rebecca},
abstractNote = {MiniBooNE seeks to corroborate or refute the unconfirmed oscillation result from the LSND experiment. If correct, the result implies that a new kind of massive neutrino, with no weak interactions, participates in neutrino oscillations. MiniBooNE searches for vμ → ve oscillations with the Fermi National Accelerator Laboratory 8 GeV beam line, which produces a vμ beam with an average energy of ~ 0.8 GeV and an intrinsic ve content of 0.4%. The neutrino detector is a 6.1 m radius sphere filled with CH2, viewed by 1540 photo-multiplier tubes, and located 541 m downstream from the source. This work focuses on the estimation of systematic errors associated with the neutrino flux and neutrino interaction cross section predictions, and in particular, on constraining these uncertainties using in-situ MiniBooNE vμ charged current quasielastic (CCQE) scattering data. A data set with ~ 100,000 events is identified, with 91% CCQE purity. This data set is used to measure several parameters of the CCQE cross section: the axial mass, the Fermi momentum, the binding energy, and the functional dependence of the axial form factor on four-momentum transfer squared. Constraints on the vμ and ve fluxes are derived using the vμ CCQE data set. A Monte Carlo study of a combined vμ disappearance and ve appearance oscillation fit is presented, which improves the vμ → ve oscillation sensitivity of MiniBooNE with respect to a ve appearance-only fit by 1.2-1.5σ, depending on the value of Δm2.},
doi = {10.2172/899985},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Jan 01 00:00:00 EST 2006},
month = {Sun Jan 01 00:00:00 EST 2006}
}

Thesis/Dissertation:
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